一例罕见的血栓形成的巨大小脑后下动脉远端动脉瘤，形似大型海绵状血管瘤。
An Unusual Case of a Thrombosed Giant Distal PICA Aneurysm Simulating a Large Cavernous Angioma.
作者信息
Lim Dong-Ho, Jung Shin, Jung Tae-Young, Kim Tae-Sun
机构信息
Department of Neurosurgery, Chonnam National University, Hwasun Hospital & Medical School, Hwasun, Korea.
出版信息
J Korean Neurosurg Soc. 2008 Mar;43(3):155-8. doi: 10.3340/jkns.2008.43.3.155. Epub 2008 Mar 20.
Abstract
A 64-year-old woman was referred to our hospital with a one-month history of progressive headache. Magnetic resonance imaging (MRI) showed a hemorrhagic mass adjacent to the left inferior cerebellar hemisphere associated with a peripheral rim of signal void. Angiography demonstrated an avascular mass and the provisional diagnosis was a large cavernous angioma in the cerebellum. Intraoperative findings revealed a thrombosed giant aneurysm of the left distal posterior inferior cerebellar artery (PICA). We report an unusual case of a completely thrombosed giant aneurysm simulating a large cavernous angioma in the cerebellum. The cerebellar cisternal location of the mass may be a clue for the pre-operative diagnosis of an aneurysm.
摘要
一名64岁女性因进行性头痛1个月被转诊至我院。磁共振成像（MRI）显示左小脑下半球旁有一个出血性肿块，周围有信号缺失边缘。血管造影显示为无血管肿块，初步诊断为小脑大型海绵状血管瘤。术中发现为左小脑后下动脉（PICA）远端的血栓形成巨大动脉瘤。我们报告了一例罕见病例，即完全血栓形成的巨大动脉瘤模拟小脑大型海绵状血管瘤。肿块位于小脑脑池可能是术前诊断动脉瘤的一个线索。
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